an oil tanker can be emptied by the main pump in 5 hours. an auxiliary pump can empty the tanker in 8 hours. if the main pump started at 5 p

Question

an oil tanker can be emptied by the main pump in 5 hours. an auxiliary pump can empty the tanker in 8 hours. if the main pump started at 5 pm, when should the auxiliary pump be started so that the tanker is emptied by 9 pm?

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Khang Minh 5 months 2021-08-31T05:40:03+00:00 2 Answers 11 views 0

Answers ( )

    0
    2021-08-31T05:41:09+00:00

    Answer:

    1 pm

    Step-by-step explanation:

    1 + 8 = 9

    0
    2021-08-31T05:41:18+00:00

    1pm is the correct answer
    8+1=9

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